Ball joint, right — a genuine BMW part, number 32 11 1 139 314. The number stamped on the part is 32111139314; BMW's catalog files it under the short number 1139314. You will find it on our Steering shelf, under Other Steering parts.
It fits every E36 body style (318i, 318ti, 320i, 323i and 325i, 1992–1999), with the M40, M42, M43, M44, M50 or M52 engines — and the European-market versions.
BMW draws it on 3 diagrams, among them Steering Linkage/Tie Rods (32_0630) and Steering Linkage/Tie Rods (32_0632). It weighs about 575 g (1.3 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
